Introduction If you are looking for a way to run a Java code in your compiler, then you have come to the right place. In this article, we will discuss the steps you need to take in order to successfully run a Java code in your compiler. We will also discuss some of the common … Read more
Here is one way: with open(“fk.txt”) as file: # Use file to refer to the file object data = file.readlines() column1, column2 = [], [] for line in data: try: entry1, entry2 = line.split(‘ ‘) column1.append(int(entry1)) column2.append(int(entry2)) except ValueError: pass print column1, column2 2 solved How to print selected elements from file?
Introduction Generating a secure password is an important part of keeping your online accounts safe. This tutorial will show you how to generate a secure password that is composed of both digits and words. You will be able to specify how many digits and words you would like to include in your password. By the … Read more
Here are two differences: An overloaded assignment operator must be a member of the class being assigned to; it cannot be declared as a free function. Copy and move assignment operators will be implicitly declared for your class if you do not declare them yourself (subject to certain restrictions). solved What is the difference between … Read more
The SQL statement is not the problem (you are able to execute it in SQL manager) and neither is it the call to AddWithValue because that won’t throw an ArgumentException based on the cause in mentioned in the exception message. So it must be something else. That leaves a constant and an expression using the … Read more
Introduction Tuple variables are a type of variable used in SQL statements. They are used to store multiple values in a single variable. They are similar to arrays, but they are more efficient and can be used to store different types of data. They are also used to store multiple values in a single column … Read more
–Set up table and data DECLARE @ATable TABLE ([date] DATETIME, [Count] INT) INSERT @ATable( date, Count ) SELECT ‘2015-05-14 01:00:00’, 1 UNION ALL SELECT ‘2015-05-15 02:00:00’, 2 UNION ALL SELECT ‘2015-05-15 20:00:00’, 3 UNION ALL SELECT ‘2015-05-16 03:00:00’, 4 — Query SELECT d.[date], ( — This subquery returns the sum of counts for the 36 … Read more
Introduction The Executor framework in Java is a powerful tool for managing multiple threads. It allows you to easily create and manage threads, and to execute tasks in parallel. In this tutorial, we will learn how to use the Executor framework to print odd and even numbers from two separate threads. We will also discuss … Read more
Introduction SQL statement thinking is a process of understanding how to use SQL to solve a problem. It involves understanding the structure of the data, the relationships between the data, and the logic of the query. It is important to think through the SQL statement before writing it, as it can save time and effort … Read more
Introduction When a website is not displaying correctly on every browser, it can be a frustrating experience for both the website owner and the user. This issue can be caused by a variety of factors, including coding errors, browser compatibility issues, and outdated plugins. Fortunately, there are a few steps that can be taken to … Read more
Introduction This question is about finding the distance between two specific words in a String. This can be done by using a combination of the String.indexOf() and String.substring() methods. The indexOf() method will return the index of the first occurrence of the specified word in the String, and the substring() method will return the part … Read more
Your code doesn’t replicate the problem. You should always test your SSCCE‘s to make sure they actually demonstrate the problem. It makes it much easier for people to help you and you even have a good chance of solving the problem yourself while making the SSCCE work. You seem to be comparing strings instead of … Read more
$(document).ready(function(){ setInterval(function(){ $.post(‘test.php’, { someParameter: ‘someValue’ }, function(data){ $(‘#my-container’).html(data); }); }, 30000); }); solved HTML: how refresh information in [closed]
Here is a really simple solution which is also scalable: $(function() { $(‘button’).click(function() { var btn = $(this); var counter = ((btn.data(‘click-counter’) || 0) + 1) % 5; btn.text(‘Click me (‘ + counter + ‘)’); btn.data(‘click-counter’, counter); btn.toggleClass(‘remove’, !counter); }); }); button.remove { background-color: red; } <script src=”https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js”></script> <button>Click me</button> <button>Click me</button> <button>Click me</button> solved … Read more
I will try to guess what is asked. Assuming that your data frame is named df, you can convert each column to matrix and put it in list using lapply(). For example, I converted to matrix with two columns. seq_len(ncol(df) will make sequence of numbers from 1 to number of columns, so conversion will iterate … Read more